.box {
  text-align: center;
}

table {
  width: 100%;
  margin-top: 40px;
  font-family: verdana, arial, sans-serif;
  font-size: 11px;
  color: #333333;
  border-width: 1px;
  border-color: #666666;
  border-collapse: collapse;
}

table th {
  border-width: 1px;
  padding: 8px;
  border-style: solid;
  border-color: #666666;
  background-color: #dedede;
}

table td {
  border-width: 1px;
  padding: 8px;
  border-style: solid;
  border-color: #666666;
  background-color: #ffffff;
}

.red {
  display: inline-block;
  width: 30px;
  line-height: 30px;
  border-radius: 50%;
  background: red;
  color: #fff;
}

.green {
  display: inline-block;
  width: 30px;
  line-height: 30px;
  border-radius: 50%;
  background: green;
  color: #fff;
}

.blue {
  display: inline-block;
  width: 30px;
  line-height: 30px;
  border-radius: 50%;
  background: blue;
  color: #fff;
}